CN102329007A - Microbial desalting cell (MDC) - Google Patents
Microbial desalting cell (MDC) Download PDFInfo
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- CN102329007A CN102329007A CN201110214248A CN201110214248A CN102329007A CN 102329007 A CN102329007 A CN 102329007A CN 201110214248 A CN201110214248 A CN 201110214248A CN 201110214248 A CN201110214248 A CN 201110214248A CN 102329007 A CN102329007 A CN 102329007A
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Abstract
The invention discloses a microbial desalting cell (MDC) which comprises an anode chamber, a desalting chamber and a cathode chamber, wherein a negative membrane is arranged between the anode chamber and the desalting chamber; a positive membrane is arranged between the desalting chamber and the cathode chamber; an anode is arranged in the anode chamber, and an electrogenesis microbial membrane is attached to the anode; a cathode is arranged in the cathode chamber; the anode and the cathode are communicated through a wire; and a positive-negative ion exchange resin is arranged in the desalting chamber. On the basis of the configuration of the traditional MDC, the MDC provided by the invention refers to the working principle of packed bed electrodialysis, and the positive-negative ion exchange resin is added into the desalting chamber to adsorb positive and negative ions, thereby implementing desalting; and meanwhile, the desorption regeneration of the resin and the detachment of the positive and negative ions are implemented under the action of the internal electric field of the MDC, thereby reducing the internal resistance of the MDC in the aspect of effect, and enhancing the efficiency of the sewage purification, electricity generation and desalting process.
Description
Technical field
The present invention relates to a kind of mikrobe desalination battery.
Background technology
The water resources and the energy all are the valuable sources that the mankind depend on for existence, and along with the fast development of industrial society and the rapid growth of population, human demand to these two kinds of resources grows with each passing day, and the supply crisis highlights day by day.On the one hand, the Freshwater resources that are easy to utilize on the earth are rivers, lake and phreatic parts of land, only account for the less than 1% of world's fresh water total resources; On the other hand, the annual contaminated fresh water in the world accounts for more than 14% of total flux, has further aggravated the problem of shortage of water resources.In order to enlarge fresh water sources, people use technology such as distillation method, electrodialysis and r-o-to carry out sea water desaltination, and in order to dissolve water pollution problems, people have attempted various effluent purification methods again.Yet all there is the energy consumption problem of higher in above-mentioned technology, and under energy background in short supply day by day, water resources problems will be thorny further.
Mikrobe desalination battery (Microbial Desalination Cell; Be called for short MDC) be a kind of water treatment new technology that integrates sewage purification, electrogenesis, desalination that is born in recent years; Its ultimate principle is at anode cleaning organic waste water under the electrogenesis action of microorganisms; Chemical energy is converted into electric energy, and under the effect of internal electric field, utilizes ion-exchange membrane to realize the desalination of brackish water.This technology has " three-in-one " advantage of sewage purification function efficiently, the seawater that does not consume energy or saliferous water demineralizing function and more potential electrogenesis function; The various countries scholar has attempted at the aggrandizement apparatus volume, has piled up the desalination cavity and aspects such as coupling additional function etc. are studied, and is intended to further improve electrogenesis level, desalting effect and the application feasibility of MDC.
Summary of the invention
The purpose of this invention is to provide a kind of mikrobe desalination battery.
A kind of mikrobe desalination battery provided by the invention comprises anolyte compartment, desalting chamber and cathode compartment; Be provided with anion-exchange membrane between said anolyte compartment and the said desalting chamber; Be provided with cationic exchange membrane between said desalting chamber and the said cathode compartment; Be provided with anode in the said anolyte compartment, adhere to the electrogenesis microbial film on the said anode; Be provided with negative electrode in the said cathode compartment; Said anode and said negative electrode are through the lead formation external circuit that is connected; Be provided with anion-cation exchange resin in the said desalting chamber.
In the above-mentioned mikrobe desalination battery, said anion-cation exchange resin is strongly acidic cationic exchange resin, strongly basic anion exchange resin, weakly acidic cation-exchange resin or weakly basic anion exchange resin.
In the above-mentioned mikrobe desalination battery, said strongly acidic cationic exchange resin can be the sulfonic group exchange resin, and the sulfonic group hydrogen ion that in solution, dissociates out easily is so be strongly-acid; Said strongly basic anion exchange resin can be quaternary amine base anionite-exchange resin, and the quaternary amine base can discharge hydroxide radical rapidly, so be strong basicity; Said weakly acidic cation-exchange resin can be the carboxyl exchange resin; Said weakly basic anion exchange resin can be the primary amine groups exchange resin.
In the above-mentioned mikrobe desalination battery, said anode membrane and cavity block all can be the electrodialysis ion-exchange membrane, and its transmitance is not less than 90%, and its bursting strength is not less than 0.3MPa; The thickness of said electrodialysis ion-exchange membrane is 0.2mm-0.5mm.
In the above-mentioned mikrobe desalination battery, said negative electrode can be air cathode or biological-cathode.
In the above-mentioned mikrobe desalination battery, the filler in said anolyte compartment and the said cathode compartment all can be graphite granule, carbon felt or gac etc.; The particle diameter of said filler can be 1mm-5mm.
The present invention also provides the application of mentioned microorganism desalination battery in wastewater treatment.
In the above-mentioned application, said waste water is organic waste water.
The detailed process of above-mentioned application can be: pending waste water plug-flow is got into desalting chamber, and the yin, yang ion is adsorbed on the anion and cation exchange resin respectively, thereby realizes the brackish water desalination; Waste water gets into the anolyte compartment, and organism is wherein removed by electrogenesis microbial film oxygenolysis, and the electrogenesis microbial film arrives anode with the electron transport of respiratory chain, and electronics is delivered to negative electrode through external circuit again and realizes extrinsic current, and the extrinsic current direction is by the cathode directed anode; Interior sense of current is by the anode directed negative electrode; Under the driving of electrical forces; Negatively charged ion on the anion-cation exchange resin and positively charged ion desorption get off, and accomplish the regeneration of anion-cation exchange resin, and negatively charged ion passes cavity block and gets into the anolyte compartment; Positively charged ion passes anode membrane and gets into cathode compartment, thereby realizes the process of purification of waste water, electrogenesis and desalination.
Mikrobe desalination battery provided by the invention; On the configuration of traditional mikrobe desalination battery (MDC), use for reference the principle of work of packed-bed electrodialysis, in desalting chamber, add anion-cation exchange resin; Through the absorption realization desalination of resin to zwitterion; Utilize the effect of MDC internal electric field to realize the desorption and regeneration of resin and removing of zwitterion simultaneously, finally reduce the internal resistance of MDC, improve the efficient of its sewage purification, electrogenesis and demineralising process from effect.
Description of drawings
Fig. 1 is the structural representation of mikrobe desalination battery of the present invention.
Each mark is following among the figure: 1 anolyte compartment, 2 desalting chamber, 3 cathode compartments, 4 anodes, 5 negative electrodes, 6 anaerobism electrogenesis microbial films, 7 anion-exchange membranes, 8 cationic exchange membranes.
Embodiment
The following accompanying drawing that combines further specifies invention, but the present invention is not limited to following examples.
Employed experimental technique is ordinary method like no specified otherwise among the following embodiment.Used material, reagent etc. like no specified otherwise, all can obtain from commercial sources among the following embodiment.
Mikrobe desalination battery provided by the invention comprises anolyte compartment 1, cathode compartment 3 and desalting chamber 2; Be provided with anion-exchange membrane 7 between anolyte compartment 1 and the desalting chamber 2, be provided with cationic exchange membrane 8 between cathode compartment 3 and the desalting chamber 2; Anion-exchange membrane 7 is the nontoxic commercial power dialysis ion-exchange membrane of transmitance 90% with cationic exchange membrane 8, and thickness is 0.2mm, bursting strength 0.3MPa; Be filled with the sulfonic group anion and cation exchange resin in the desalting chamber 2, particle diameter is respectively 0.6mm and 0.8mm; Be provided with anode 4 in the anolyte compartment 1, be provided with negative electrode 5 in the cathode compartment 3, be biological-cathode, the bottom has dissolved oxygen to supply with; Anode 4 is graphite rod with the material of negative electrode 5, for increasing the bond area of electrogenesis mikrobe, improves current density; All fill the carbon felt in anolyte compartment 1 and the cathode compartment 3, particle diameter is 1-1.5cm; Be coated with electrogenesis microbial film 6 on the anode 4, be used for the organism of waste water is decomposed; Anode 4 and negative electrode 5 are through the lead formation external circuit that is connected.
In the above-mentioned mikrobe desalination battery, the thickness of anion-exchange membrane 7 and cationic exchange membrane 8 all can be regulated in the scope between 0.2mm-0.5mm; Anion-cation exchange resin also can be strong basicity, slightly acidic or weakly alkaline anion-cation exchange resin; Filler in the anolyte compartment 1 also can be graphite granule or gac etc.; Negative electrode 5 also can be air cathode.
When using mentioned microorganism desalination battery, be that the brackish water of 5g/L continuously flows into desalting chamber 2 with saltiness, negatively charged ion and positively charged ion are adsorbed on respectively on the sulfonic group anion-cation exchange resin, the realization demineralising process; Anolyte compartment 1 keeps anaerobic state; But the organic waste water of biochemical treatment gets into anolyte compartment 1; Organism obtains removing under the oxygenolysis of electrogenesis microbial film 6; To anode 4, electronics is delivered to negative electrode through external circuit and realizes extrinsic current electrogenesis microbial film 6 again with electron transport, and the extrinsic current direction is to point to anode 4 by negative electrode 5; Sense of current is to point to negative electrode 5 by anode 4 in this moment; Under the driving of electrical forces; Negatively charged ion on the anion-cation exchange resin and positively charged ion desorption get off; Accomplish the regeneration of anion-cation exchange resin, negatively charged ion passes cavity block 7 entering anolyte compartments 1 simultaneously, and positively charged ion passes anode membrane 8 and gets into cathode compartment 3.When this mikrobe desalination battery when extrernal resistance is 10 ohm, when desalting chamber was 25h the 2 current void tower residence time, ratio of desalinization reached 40%.
Claims (6)
1. a mikrobe desalination battery comprises anolyte compartment, desalting chamber and cathode compartment; Be provided with anion-exchange membrane between said anolyte compartment and the said desalting chamber; Be provided with cationic exchange membrane between said desalting chamber and the said cathode compartment; Be provided with anode in the said anolyte compartment, be attached with the electrogenesis microbial film on the said anode; Be provided with negative electrode in the said cathode compartment; Said anode and said negative electrode are through the lead formation external circuit that is connected; It is characterized in that: be provided with anion-cation exchange resin in the said desalting chamber.
2. mikrobe desalination battery according to claim 1 is characterized in that: said anion-cation exchange resin is strongly-acid anion-cation exchange resin, strong basicity anion-cation exchange resin, slightly acidic anion-cation exchange resin or weakly alkaline anion-cation exchange resin.
3. mikrobe desalination battery according to claim 1 and 2, it is characterized in that: the thickness of said cationic exchange membrane and anion-exchange membrane is 0.2mm-0.5mm.
4. according to arbitrary described mikrobe desalination battery among the claim 1-3, it is characterized in that: said negative electrode is air cathode or biological-cathode.
5. according to arbitrary described mikrobe desalination battery among the claim 1-4, it is characterized in that: the filler in said anolyte compartment and the said cathode compartment is graphite granule, carbon felt or gac; The particle diameter of said filler is 1mm-5mm.
6. the application of arbitrary said mikrobe desalination battery in wastewater treatment among the claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110214248A CN102329007A (en) | 2011-07-28 | 2011-07-28 | Microbial desalting cell (MDC) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110214248A CN102329007A (en) | 2011-07-28 | 2011-07-28 | Microbial desalting cell (MDC) |
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| CN102329007A true CN102329007A (en) | 2012-01-25 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150681A (en) * | 2014-06-23 | 2014-11-19 | 清华大学 | Reactor of microbial nitrogen and phosphorus recovery battery for water treatment |
| CN104593810A (en) * | 2014-12-20 | 2015-05-06 | 中山大学 | Method for preparing tetramethylammonium hydroxide by continuous flow bioelectrochemistry system |
| CN105253991A (en) * | 2015-10-20 | 2016-01-20 | 浙江工商大学 | Electromagnetic field coupling desalting device with pollution reduction function and method |
| CN105417892A (en) * | 2015-12-30 | 2016-03-23 | 哈尔滨工业大学 | Electronic controlled device for desalting ammonium sulfate containing oil refinery wastewater and producing electricity and method using same to process ammonium sulfate containing oil refinery wastewater |
| CN105762394A (en) * | 2016-03-22 | 2016-07-13 | 清华大学 | Microbial desalination cell provided with filtering type negative pole and application of microbial desalination cell |
| CN105836873A (en) * | 2016-05-06 | 2016-08-10 | 清华大学 | Microbial battery |
| CN106145377A (en) * | 2015-04-27 | 2016-11-23 | 中国科学院生态环境研究中心 | A kind of device and method utilizing product electricity microorganism desalination mechanism to carry out drinking water defluorination |
| CN106746197A (en) * | 2016-12-12 | 2017-05-31 | 哈尔滨商业大学 | Protein Recovery device and method of work in sausage wastewater |
| CN107487865A (en) * | 2017-09-12 | 2017-12-19 | 中山大学 | A kind of bioelectrochemistry effectively processing phenolic waste water containing chromium and the method produced electricity |
| CN109078360A (en) * | 2018-09-11 | 2018-12-25 | 中国科学院青海盐湖研究所 | Divide intercept form adsorption desorption device and its application |
| CN109370884A (en) * | 2018-12-06 | 2019-02-22 | 黑龙江省能源环境研究院 | A kind of microorganism battery system removing kitchen garbage salinity |
| CN109867420A (en) * | 2019-04-17 | 2019-06-11 | 上海海洋大学 | Integral type microorganism desalination cell-constructed wetland device |
| CN111816902A (en) * | 2020-07-16 | 2020-10-23 | 南京理工大学 | Capacitive microbial desalination cell device and method applied to chemical tail water treatment |
| CN112456635A (en) * | 2020-10-26 | 2021-03-09 | 山东光华纸业集团有限公司 | Anaerobic biological treatment desalting device |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150681B (en) * | 2014-06-23 | 2015-08-19 | 清华大学 | A kind of microorganism nitrogen phosphorus for water treatment reclaims cell reaction device |
| CN104150681A (en) * | 2014-06-23 | 2014-11-19 | 清华大学 | Reactor of microbial nitrogen and phosphorus recovery battery for water treatment |
| CN104593810A (en) * | 2014-12-20 | 2015-05-06 | 中山大学 | Method for preparing tetramethylammonium hydroxide by continuous flow bioelectrochemistry system |
| CN106145377A (en) * | 2015-04-27 | 2016-11-23 | 中国科学院生态环境研究中心 | A kind of device and method utilizing product electricity microorganism desalination mechanism to carry out drinking water defluorination |
| CN105253991A (en) * | 2015-10-20 | 2016-01-20 | 浙江工商大学 | Electromagnetic field coupling desalting device with pollution reduction function and method |
| CN105253991B (en) * | 2015-10-20 | 2017-07-21 | 浙江工商大学 | A kind of electromagnetic field couples desalter and method for having the dirty function of drop concurrently |
| CN105417892A (en) * | 2015-12-30 | 2016-03-23 | 哈尔滨工业大学 | Electronic controlled device for desalting ammonium sulfate containing oil refinery wastewater and producing electricity and method using same to process ammonium sulfate containing oil refinery wastewater |
| CN105762394A (en) * | 2016-03-22 | 2016-07-13 | 清华大学 | Microbial desalination cell provided with filtering type negative pole and application of microbial desalination cell |
| CN105762394B (en) * | 2016-03-22 | 2019-05-14 | 清华大学 | A kind of filter-type cathode microbial desalination cell and its application |
| CN105836873B (en) * | 2016-05-06 | 2019-01-04 | 清华大学 | A kind of microorganism battery |
| CN105836873A (en) * | 2016-05-06 | 2016-08-10 | 清华大学 | Microbial battery |
| CN106746197A (en) * | 2016-12-12 | 2017-05-31 | 哈尔滨商业大学 | Protein Recovery device and method of work in sausage wastewater |
| CN107487865A (en) * | 2017-09-12 | 2017-12-19 | 中山大学 | A kind of bioelectrochemistry effectively processing phenolic waste water containing chromium and the method produced electricity |
| CN109078360A (en) * | 2018-09-11 | 2018-12-25 | 中国科学院青海盐湖研究所 | Divide intercept form adsorption desorption device and its application |
| CN109078360B (en) * | 2018-09-11 | 2021-04-02 | 中国科学院青海盐湖研究所 | Sectioning type adsorption and desorption device and application thereof |
| CN109370884A (en) * | 2018-12-06 | 2019-02-22 | 黑龙江省能源环境研究院 | A kind of microorganism battery system removing kitchen garbage salinity |
| CN109867420A (en) * | 2019-04-17 | 2019-06-11 | 上海海洋大学 | Integral type microorganism desalination cell-constructed wetland device |
| CN109867420B (en) * | 2019-04-17 | 2024-05-14 | 上海海洋大学 | Integrated microbial desalination cell-constructed wetland device |
| CN111816902A (en) * | 2020-07-16 | 2020-10-23 | 南京理工大学 | Capacitive microbial desalination cell device and method applied to chemical tail water treatment |
| CN111816902B (en) * | 2020-07-16 | 2021-03-23 | 南京理工大学 | Capacitive microbial desalination cell device and method applied to chemical tail water treatment |
| CN112456635A (en) * | 2020-10-26 | 2021-03-09 | 山东光华纸业集团有限公司 | Anaerobic biological treatment desalting device |
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Application publication date: 20120125 |